Search a number
-
+
1302121232031 = 32943864740253
BaseRepresentation
bin10010111100101100011…
…110010011011010011111
311121111000001211012112110
4102330230132103122133
5132313221013411111
62434104121005103
7163034530565334
oct22745436233237
94544001735473
101302121232031
11462254542214
12190439923793
1395a3570a419
14470471a098b
1523d102835a6
hex12f2c79369f

1302121232031 has 32 divisors (see below), whose sum is σ = 1838055605760. Its totient is φ = 818540198784.

The previous prime is 1302121232029. The next prime is 1302121232033. The reversal of 1302121232031 is 1302321212031.

It is an interprime number because it is at equal distance from previous prime (1302121232029) and next prime (1302121232033).

It is not a de Polignac number, because 1302121232031 - 21 = 1302121232029 is a prime.

It is a super-2 number, since 2×13021212320312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1302121231989 and 1302121232007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302121232033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32328301 + ... + 32368553.

It is an arithmetic number, because the mean of its divisors is an integer number (57439237680).

Almost surely, 21302121232031 is an apocalyptic number.

1302121232031 is a deficient number, since it is larger than the sum of its proper divisors (535934373729).

1302121232031 is a wasteful number, since it uses less digits than its factorization.

1302121232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48975.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1302121232031 its reverse (1302321212031), we get a palindrome (2604442444062).

The spelling of 1302121232031 in words is "one trillion, three hundred two billion, one hundred twenty-one million, two hundred thirty-two thousand, thirty-one".

Divisors: 1 3 29 43 87 129 1247 3741 8647 25941 40253 120759 250763 371821 752289 1115463 1167337 1730879 3502011 5192637 10782809 32348427 50195491 150586473 348067691 1044203073 10093963039 14966910713 30281889117 44900732139 434040410677 1302121232031