31434232102 has 32 divisors (see below), whose sum is σ = 60033556800. Its totient is φ = 12006707328.

The previous prime is 31434232051. The next prime is 31434232127. The reversal of 31434232102 is 20123243413.

It is a super-2 number, since 2×31434232102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2972577 + ... + 2983132.

It is an arithmetic number, because the mean of its divisors is an integer number (1876048650).

Almost surely, 2^31434232102 is an apocalyptic number.

31434232102 is a deficient number, since it is larger than the sum of its proper divisors (28599324698).

31434232102 is a wasteful number, since it uses less digits than its factorization.

31434232102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955760.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31434232102 its reverse (20123243413), we get a palindrome (51557475515).

The spelling of 31434232102 in words is "thirty-one billion, four hundred thirty-four million, two hundred thirty-two thousand, one hundred two".