31001112434 has 8 divisors (see below), whose sum is σ = 47024159580. Its totient is φ = 15326392576.

The previous prime is 31001112431. The next prime is 31001112451. The reversal of 31001112434 is 43421110013.

It can be written as a sum of positive squares in 2 ways, for example, as 29789724409 + 1211388025 = 172597^2 + 34805^2 .

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

It is a super-2 number, since 2×31001112434² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31001112431) 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, 87081599 + ... + 87081954.

Almost surely, 2^31001112434 is an apocalyptic number.

31001112434 is a deficient number, since it is larger than the sum of its proper divisors (16023047146).

31001112434 is a wasteful number, since it uses less digits than its factorization.

31001112434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174163644.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31001112434 its reverse (43421110013), we get a palindrome (74422222447).

The spelling of 31001112434 in words is "thirty-one billion, one million, one hundred twelve thousand, four hundred thirty-four".