31402143070 has 16 divisors (see below), whose sum is σ = 56525908608. Its totient is φ = 12560401440.

The previous prime is 31402143061. The next prime is 31402143083. The reversal of 31402143070 is 7034120413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433240 + ... + 500500.

It is an arithmetic number, because the mean of its divisors is an integer number (3532869288).

Almost surely, 2^31402143070 is an apocalyptic number.

31402143070 is a deficient number, since it is larger than the sum of its proper divisors (25123765538).

31402143070 is a wasteful number, since it uses less digits than its factorization.

31402143070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113955.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 31402143070 its reverse (7034120413), we get a palindrome (38436263483).

The spelling of 31402143070 in words is "thirty-one billion, four hundred two million, one hundred forty-three thousand, seventy".