31054513234 has 4 divisors (see below), whose sum is σ = 46581769854. Its totient is φ = 15527256616.

The previous prime is 31054513201. The next prime is 31054513247. The reversal of 31054513234 is 43231545013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29188014025 + 1866499209 = 170845^2 + 43203^2 .

It is a super-2 number, since 2×31054513234² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31054513196 and 31054513205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7763628307 + ... + 7763628310.

Almost surely, 2^31054513234 is an apocalyptic number.

31054513234 is a deficient number, since it is larger than the sum of its proper divisors (15527256620).

31054513234 is a wasteful number, since it uses less digits than its factorization.

31054513234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15527256619.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 31054513234 in words is "thirty-one billion, fifty-four million, five hundred thirteen thousand, two hundred thirty-four".