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1020233013331 = 77112291670287
BaseRepresentation
bin11101101100010101010…
…00000101100001010011
310121112101210101222221011
432312022220011201103
5113203414122411311
62100404422111351
7133465216346050
oct16661250054123
93545353358834
101020233013331
11363750a36314
12145889b7b557
137529101918c
1437545666027
151b812bad321
hexed8aa05853

1020233013331 has 16 divisors (see below), whose sum is σ = 1183365642240. Its totient is φ = 861466707360.

The previous prime is 1020233013307. The next prime is 1020233013337. The reversal of 1020233013331 is 1333103320201.

It is not a de Polignac number, because 1020233013331 - 213 = 1020233005139 is a prime.

It is a super-2 number, since 2×10202330133312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020233013337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224331 + ... + 1445956.

It is an arithmetic number, because the mean of its divisors is an integer number (73960352640).

Almost surely, 21020233013331 is an apocalyptic number.

1020233013331 is a deficient number, since it is larger than the sum of its proper divisors (163132628909).

1020233013331 is a wasteful number, since it uses less digits than its factorization.

1020233013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671594.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1020233013331 its reverse (1333103320201), we get a palindrome (2353336333532).

The spelling of 1020233013331 in words is "one trillion, twenty billion, two hundred thirty-three million, thirteen thousand, three hundred thirty-one".

Divisors: 1 7 71 497 1229 8603 87259 610813 1670287 11692009 118590377 830132639 2052782723 14369479061 145747573333 1020233013331