102031031012 has 12 divisors (see below), whose sum is σ = 182909287596. Its totient is φ = 49771234560.

The previous prime is 102031030993. The next prime is 102031031017. The reversal of 102031031012 is 210130130201.

It can be written as a sum of positive squares in 2 ways, for example, as 11072090176 + 90958940836 = 105224^2 + 301594^2 .

It is not an unprimeable number, because it can be changed into a prime (102031031017) 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, 311070053 + ... + 311070380.

It is an arithmetic number, because the mean of its divisors is an integer number (15242440633).

Almost surely, 2^102031031012 is an apocalyptic number.

It is an amenable number.

102031031012 is a deficient number, since it is larger than the sum of its proper divisors (80878256584).

102031031012 is a wasteful number, since it uses less digits than its factorization.

102031031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622140478 (or 622140476 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102031031012 its reverse (210130130201), we get a palindrome (312161161213).

The spelling of 102031031012 in words is "one hundred two billion, thirty-one million, thirty-one thousand, twelve".