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31266466213 = 331370125523
BaseRepresentation
bin11101000111101000…
…000110100110100101
32222201000101001102011
4131013220012212211
51003013203404323
622210312514221
72154545402113
oct350750064645
988630331364
1031266466213
1112295117924
1260870ab971
132c4388b7a8
14172871aab3
15c2ede320d
hex747a069a5

31266466213 has 8 divisors (see below), whose sum is σ = 31370629536. Its totient is φ = 31162362000.

The previous prime is 31266466211. The next prime is 31266466237.

It is a happy number.

31266466213 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 31266466213 - 21 = 31266466211 is a prime.

It is a super-2 number, since 2×312664662132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31266466211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212270 + ... + 1237792.

It is an arithmetic number, because the mean of its divisors is an integer number (3921328692).

Almost surely, 231266466213 is an apocalyptic number.

It is an amenable number.

31266466213 is a deficient number, since it is larger than the sum of its proper divisors (104163323).

31266466213 is a wasteful number, since it uses less digits than its factorization.

31266466213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29555.

The product of its digits is 186624, while the sum is 40.

The spelling of 31266466213 in words is "thirty-one billion, two hundred sixty-six million, four hundred sixty-six thousand, two hundred thirteen".

Divisors: 1 331 3701 25523 1225031 8448113 94460623 31266466213