3125031378 has 16 divisors (see below), whose sum is σ = 7142928960. Its totient is φ = 892866096.

The previous prime is 3125031319. The next prime is 3125031397. The reversal of 3125031378 is 8731305213.

It is a super-2 number, since 2×3125031378² = 19531642226969157768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37202713 + ... + 37202796.

It is an arithmetic number, because the mean of its divisors is an integer number (446433060).

Almost surely, 2^3125031378 is an apocalyptic number.

3125031378 is an abundant number, since it is smaller than the sum of its proper divisors (4017897582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3125031378 is a wasteful number, since it uses less digits than its factorization.

3125031378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74405521.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 3125031378 is about 55901.9800901542. The cubic root of 3125031378 is about 1462.0137624142.

The spelling of 3125031378 in words is "three billion, one hundred twenty-five million, thirty-one thousand, three hundred seventy-eight".