1372008431 has 4 divisors (see below), whose sum is σ = 1372350672. Its totient is φ = 1371666192.

The previous prime is 1372008427. The next prime is 1372008467. The reversal of 1372008431 is 1348002731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1348002731 = 1523 ⋅885097.

It is a cyclic number.

It is not a de Polignac number, because 1372008431 - 2² = 1372008427 is a prime.

It is a super-4 number, since 4×1372008431⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372008394 and 1372008403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372008731) 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, 165035 + ... + 173148.

It is an arithmetic number, because the mean of its divisors is an integer number (343087668).

Almost surely, 2^1372008431 is an apocalyptic number.

1372008431 is a deficient number, since it is larger than the sum of its proper divisors (342241).

1372008431 is an equidigital number, since it uses as much as digits as its factorization.

1372008431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342240.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1372008431 is about 37040.6321625320. The cubic root of 1372008431 is about 1111.1830124578.

The spelling of 1372008431 in words is "one billion, three hundred seventy-two million, eight thousand, four hundred thirty-one".