102311133031 has 8 divisors (see below), whose sum is σ = 108343902240. Its totient is φ = 96279971328.

The previous prime is 102311132993. The next prime is 102311133037. The reversal of 102311133031 is 130331113201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102311133031 is a prime.

It is a super-2 number, since 2×102311133031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102311133037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269586 + ... + 526591.

It is an arithmetic number, because the mean of its divisors is an integer number (13542987780).

Almost surely, 2^102311133031 is an apocalyptic number.

102311133031 is a deficient number, since it is larger than the sum of its proper divisors (6032769209).

102311133031 is an equidigital number, since it uses as much as digits as its factorization.

102311133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803753.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 102311133031 its reverse (130331113201), we get a palindrome (232642246232).

The spelling of 102311133031 in words is "one hundred two billion, three hundred eleven million, one hundred thirty-three thousand, thirty-one".