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31012113003002 = 226872157703181
BaseRepresentation
bin1110000110100100100011…
…11110101011000111111010
311001210201200110212111021222
413003102101332223013322
513031100301412044002
6145542433521232042
76350360033101625
oct703222176530772
9131721613774258
1031012113003002
11997718834042a
12358a431a92622
13143c5780b6791
14792dcc428dbc
1538ba69b831a2
hex1c3491fab1fa

31012113003002 has 8 divisors (see below), whose sum is σ = 46518343420212. Its totient is φ = 15505998529600.

The previous prime is 31012113002963. The next prime is 31012113003007. The reversal of 31012113003002 is 20030031121013.

It can be written as a sum of positive squares in 2 ways, for example, as 28493699526601 + 2518413476401 = 5337949^2 + 1586951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×310121130030022 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31012113003007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28314149 + ... + 29389032.

Almost surely, 231012113003002 is an apocalyptic number.

31012113003002 is a deficient number, since it is larger than the sum of its proper divisors (15506230417210).

31012113003002 is a wasteful number, since it uses less digits than its factorization.

31012113003002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57971904.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31012113003002 its reverse (20030031121013), we get a palindrome (51042144124015).

The spelling of 31012113003002 in words is "thirty-one trillion, twelve billion, one hundred thirteen million, three thousand, two".

Divisors: 1 2 268721 537442 57703181 115406362 15506056501501 31012113003002