31403104330 has 16 divisors (see below), whose sum is σ = 60873710184. Its totient is φ = 11594992320.

The previous prime is 31403104301. The next prime is 31403104333. The reversal of 31403104330 is 3340130413.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16363270561 + 15039833769 = 127919^2 + 122637^2 .

It is a super-4 number, since 4×31403104330⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (31403104333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120781041 + ... + 120781300.

Almost surely, 2^31403104330 is an apocalyptic number.

31403104330 is a deficient number, since it is larger than the sum of its proper divisors (29470605854).

31403104330 is a wasteful number, since it uses less digits than its factorization.

31403104330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241562361.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31403104330 its reverse (3340130413), we get a palindrome (34743234743).

The spelling of 31403104330 in words is "thirty-one billion, four hundred three million, one hundred four thousand, three hundred thirty".